Update CCString.cpp

we can't change _string value after get Array.
Merge pull request #4689 from luocker/patch-1

Update CCString.cpp, don't modify string itself in `String::componentsSeparatedByString` .
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Update CHANGELOG [ci skip]
Fix set FPS broken.
Merge pull request #4692 from dumganhar/develop

Fix set FPS broken.
fix black screen when back to foreground  on android.
Merge pull request #4693 from Dhilan007/black_screen_android

fix black screen when back to foreground  on android.
fix compiling error in vs project on win7.
Merge pull request #4695 from Dhilan007/update_vs_project

fix compiling error in vs project on win7.
CCData bugfix
Removes Map<K, V>::capacity(), adds Map<K, V>::bucketCount/bucketSize/bucket methods.
Map::bucketSize fix.
closed #3509: Sprites with PhysicsBody moves to wrong position when switch foreground/background.
Merge pull request #4697 from seobyeongky/CCData_bugfix

CCData bugfix
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Merge pull request #4698 from dumganhar/map-fix

Removes Map<K, V>::capacity(), adds Map<K, V>::bucketCount/bucketSize/bucket methods.
Merge pull request #4699 from boyu0/iss3509_physics_switch_foreground_bug

closed #3509: Sprites with PhysicsBody moves to wrong position when swit...
Update CHANGELOG [ci skip]
Merge branch 'develop' into #3457